name,objects_hr,arrows_hr 1,(is) the point,(is) the identity arrow nCob,(n-1)-dimensional compact oriented manifolds,n-dimensional cobordisms 2Cat,2-categories,2-functors AbCat,Abelian categories,right exact functors Ab,Abelian groups,group maps AbTor,Abelian torsion groups,group maps BanAlg,Banach algebras,short linear maps BanRing,Banach rings,short group maps Ban_k,Banach spaces over fields k,short linear maps BoolAlg,Boolean algebras,lattice maps CW,CW complexes,cellular maps CartSp,Cartesian spaces,smooth maps Feyn,Feynman diagrams,symmetries of Feynman diagrams Haus,Hausdorff (T₂) spaces,continuous maps HeytAlg,Heyting algebras,lattice maps Hilb,Hilbert spaces,short linear maps Hilb₀,Hilbert spaces,unitary operators LMet,Lawvere metric spaces,short maps SupLieAlg_k,Lie algebras over super vector spaces over fields k,super linear maps LieAlg_k,Lie algebras over vector spaces over fields k,linear maps LieGrp,Lie groups,smooth group maps LieRing,Lie rings,group maps Stone,Stone spaces,continuous maps Tor,Torsion groups,group maps Tych,Tychonoff spaces,continuous maps AdicRing,adic rings,continuous ring maps AdmRep,admissible domain representations,representable continuous maps Alg(Ab),algebras of monoids in Ab (rings),algebra maps Ass,assemblies,computable maps BiCat,bicategories,pseudofunctors BrMonCat,braided monoidal categories,lax monoidal functors Cat,categories,functors Ho(Cat),categories,natural isomorphism classes of functors Prof,categories,profunctors Ch.(Vect_k),chain complices of vector spaces,linear maps CPROP,colored monoidal product & permutation categories,eso strict monoidal functors AdicCRing,commutative adic rings,continuous ring maps CommAlg(Ab),commutative algebras of monoids in Ab (rings),algebra maps CMon,commutative monoids,monoid maps CRing,commutative rings,ring maps CompCat,compact closed categories,lax monoidal functors DagCompCat,compact closed †-categories,lax monoidal †-functors Comp,compacta (compact Hausdorff spaces),continuous maps CompBoolAlg,complete Boolean algebras (CABAs),lattice maps CompLat,complete lattices,lattice maps CompMet,complete metric spaces,short maps CompNormGrp,complete normed groups,short group maps CPO,complete partial orders,Scott-continuous maps KV,computable real numbers,computable maps DSet,dendroidal sets,dendroidal maps Diff,differentiable manifolds,continuous maps DGCAlg,differential-graded commutative algebras of vector spaces,differential-graded algebra maps DGph,digraphs,digraph maps DirGph,directed graphs,graph maps DCPO,directed-complete partial orders,Scott-continuous maps DistLat,distributive lattices,lattice maps DblCat,double categories,double functors EffAdmRep,effective admissible domain representations,computable continuous maps Field,fields,field maps Hyp,finite directed hypergraphs,hypergraph maps FinGrp,finite groups,group maps FinMet,finite metric spaces,short maps FinSet,finite sets,finite maps FinVect_k,finite vector spaces over fields k,linear maps FinVect_q,finite vector spaces over finite fields of order q,linear maps FinHilb,finite-dimensional Hilbert spaces,short linear maps Rex,finitely cocomplete categories,right exact functors Lex,finitely complete categories,left exact functors Frm,frames,frame maps Grpd,groupoids,functors Ho(Grpd),groupoids,natural isomorphism classes of functors Span(Grpd),groupoids,spans of tame functors Grp,groups,group maps 1Type,homotopy 1-types,continuous maps Idem,idempotent endofunctions,idempotency-respecting maps Mono,injections,commuting squares Lat,lattices,lattice maps Loc,locales,continuous maps PrCat,locally presentable categories,left adjoint functors Sierp,maps,commuting squares Meas,measurable spaces,measurable maps Met,metric spaces,short maps Mod(Ab),modules of monoids in Ab (rings),module maps MonCat,monoidal categories,lax monoidal functors PROP,monoidal product & permutation categories,eso strict monoidal functors Mon,monoids,monoid maps Bimod(Ab),monoids in Ab (rings),bimodules of monoids in Ab (rings) MultiSet,multisets,multimaps R+,non-negative real numbers,addition Rng,nonunital rings,nonunital ring maps NormRing,normed (commutative) rings,short group maps NormAb,normed Abelian groups,group maps NormGrp,normed groups,short group maps Ho(Eff),numbered sets,homotopy classes of computable maps Op(FinCartSp),open sets of finite-dimensional Cartesian spaces,inclusions Pos,partial orders,monotone maps Cluster,partitioned sets,non-refinement-increasing maps PermCat,permutative (symmetric strict monoidal) categories,multilinear functors PDiff,piecewise-differentiable manifolds,piecewise-continuous maps PL,piecewise-linear manifolds,piecewise-continuous maps Set*,pointed sets,based maps